ICD-10-CM category
O46: Antepartum hemorrhage, not elsewhere classified
Codes under O46 (Antepartum hemorrhage, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| O46.0 | Antepartum hemorrhage with coagulation defect | — |
| O46.0 | Antepartum hemorrhage with coagulation defect | — |
| O46.00 | Antepartum hemorrhage with coagulation defect, unspecified | — |
| O46.00 | Antepartum hemorrhage with coagulation defect, unspecified | — |
| O46.001 | Antepartum hemorrhage with coagulation defect, unspecified, first trimester | ✓ |
| O46.001 | Antepartum hemorrhage with coagulation defect, unspecified, first trimester | ✓ |
| O46.01 | Antepartum hemorrhage with afibrinogenemia | — |
| O46.01 | Antepartum hemorrhage with afibrinogenemia | — |
| O46.002 | Antepartum hemorrhage with coagulation defect, unspecified, second trimester | ✓ |
| O46.002 | Antepartum hemorrhage with coagulation defect, unspecified, second trimester | ✓ |
| O46.02 | Antepartum hemorrhage with disseminated intravascular coagulation | — |
| O46.02 | Antepartum hemorrhage with disseminated intravascular coagulation | — |
| O46.003 | Antepartum hemorrhage with coagulation defect, unspecified, third trimester | ✓ |
| O46.003 | Antepartum hemorrhage with coagulation defect, unspecified, third trimester | ✓ |
| O46.8 | Other antepartum hemorrhage | — |
| O46.8 | Other antepartum hemorrhage | — |
| O46.8X | Other antepartum hemorrhage | — |
| O46.8X | Other antepartum hemorrhage | — |
| O46.8X1 | Other antepartum hemorrhage, first trimester | ✓ |
| O46.8X1 | Other antepartum hemorrhage, first trimester | ✓ |
| O46.8X2 | Other antepartum hemorrhage, second trimester | ✓ |
| O46.8X2 | Other antepartum hemorrhage, second trimester | ✓ |
| O46.8X3 | Other antepartum hemorrhage, third trimester | ✓ |
| O46.8X3 | Other antepartum hemorrhage, third trimester | ✓ |
| O46.8X9 | Other antepartum hemorrhage, unspecified trimester | ✓ |
| O46.8X9 | Other antepartum hemorrhage, unspecified trimester | ✓ |
| O46.009 | Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester | ✓ |
| O46.009 | Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester | ✓ |
| O46.09 | Antepartum hemorrhage with other coagulation defect | — |
| O46.09 | Antepartum hemorrhage with other coagulation defect | — |
| O46.9 | Antepartum hemorrhage, unspecified | — |
| O46.9 | Antepartum hemorrhage, unspecified | — |
| O46.011 | Antepartum hemorrhage with afibrinogenemia, first trimester | ✓ |
| O46.011 | Antepartum hemorrhage with afibrinogenemia, first trimester | ✓ |
| O46.012 | Antepartum hemorrhage with afibrinogenemia, second trimester | ✓ |
| O46.012 | Antepartum hemorrhage with afibrinogenemia, second trimester | ✓ |
| O46.013 | Antepartum hemorrhage with afibrinogenemia, third trimester | ✓ |
| O46.013 | Antepartum hemorrhage with afibrinogenemia, third trimester | ✓ |
| O46.019 | Antepartum hemorrhage with afibrinogenemia, unspecified trimester | ✓ |
| O46.019 | Antepartum hemorrhage with afibrinogenemia, unspecified trimester | ✓ |
| O46.021 | Antepartum hemorrhage with disseminated intravascular coagulation, first trimester | ✓ |
| O46.021 | Antepartum hemorrhage with disseminated intravascular coagulation, first trimester | ✓ |
| O46.022 | Antepartum hemorrhage with disseminated intravascular coagulation, second trimester | ✓ |
| O46.022 | Antepartum hemorrhage with disseminated intravascular coagulation, second trimester | ✓ |
| O46.023 | Antepartum hemorrhage with disseminated intravascular coagulation, third trimester | ✓ |
| O46.023 | Antepartum hemorrhage with disseminated intravascular coagulation, third trimester | ✓ |
| O46.029 | Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester | ✓ |
| O46.029 | Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester | ✓ |
| O46.90 | Antepartum hemorrhage, unspecified, unspecified trimester | ✓ |
| O46.90 | Antepartum hemorrhage, unspecified, unspecified trimester | ✓ |
| O46.091 | Antepartum hemorrhage with other coagulation defect, first trimester | ✓ |
| O46.091 | Antepartum hemorrhage with other coagulation defect, first trimester | ✓ |
| O46.91 | Antepartum hemorrhage, unspecified, first trimester | ✓ |
| O46.91 | Antepartum hemorrhage, unspecified, first trimester | ✓ |
| O46.092 | Antepartum hemorrhage with other coagulation defect, second trimester | ✓ |
| O46.092 | Antepartum hemorrhage with other coagulation defect, second trimester | ✓ |
| O46.92 | Antepartum hemorrhage, unspecified, second trimester | ✓ |
| O46.92 | Antepartum hemorrhage, unspecified, second trimester | ✓ |
| O46.093 | Antepartum hemorrhage with other coagulation defect, third trimester | ✓ |
| O46.093 | Antepartum hemorrhage with other coagulation defect, third trimester | ✓ |
| O46.93 | Antepartum hemorrhage, unspecified, third trimester | ✓ |
| O46.93 | Antepartum hemorrhage, unspecified, third trimester | ✓ |
| O46.099 | Antepartum hemorrhage with other coagulation defect, unspecified trimester | ✓ |
| O46.099 | Antepartum hemorrhage with other coagulation defect, unspecified trimester | ✓ |
Frequently asked questions
What is ICD-10-CM code O46?
O46 is an ICD-10-CM category covering Antepartum hemorrhage, not elsewhere classified. It contains 64 more specific diagnosis codes, 48 of which are billable.
Is O46 a billable code?
No — O46 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O46.0 — Antepartum hemorrhage with coagulation defect). 48 of the 64 codes under O46 are billable.
What codes fall under O46?
O46 includes O46.0, O46.0, O46.00, O46.00, O46.001, plus 59 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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